JAMB 2013 · UTME · Q7

Logarithms

If $\log_{10} 4 = 0.6021$ , evaluate $\log_{10} 4^{\frac13}$ .

Worked solution (try it first)

A power comes down in front: $\log_{10} 4^{\frac13} = \frac13 \log_{10} 4$ .
$\frac13 \times 0.6021 = 0.2007$ , option B.

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